the aim of this study was to investigate the impact of management information system on employees’ performance of tehran province water and wastewater company in district 5. the present study was an applied research in terms of purpose and a descriptive correlational survey in terms of method. cochran's formula was used to determine sample size which was 219 employees. the statistical samp...

background: the objective of the study is examining the microbial quality of drinking water in kashan’s villages, and determining the usage of safe water in rural population in terms of microbial quality in the second-half 2007. also the role of kashan rural water and wastewater company (krwwc) in improving drinking water quality in kashan rural areas was investigated. methods: in this descript...

the trend of sustainable use of available water resources encourages textile finishing enterprisesto implement efficient wastewater treatment technologies that enable water recycling, and not just it’sdischarging into the local wastewater treatment plants (wwtp). this paper presents the results obtainedfrom the h2o2/uv treatment of wastewater from slovene textile finishing company. laboratory s...

In municipal waterworks the operation of water and wastewater networks decides about the functioning of the sewage treatment plant that is the last element of the whole water and sewage system. The both networks are connected each other and the work of the water net affects the operation of the wastewater one. The parameters which are important for right leading of all waterworks objects are th...

the aims of this study were to evaluate the treatment efficiency and effectiveness of vetiveria zizaniodesof two samples of unconventional water of golgohar mining and industrial company. the experimental samples were included mine wastewater and saline ground water. this research was conducted in a greenhouse at central water research laboratory of university of tehran. this experiment was des...